CA2344523C - Multi-channel signal encoding and decoding - Google Patents
Multi-channel signal encoding and decoding Download PDFInfo
- Publication number
- CA2344523C CA2344523C CA002344523A CA2344523A CA2344523C CA 2344523 C CA2344523 C CA 2344523C CA 002344523 A CA002344523 A CA 002344523A CA 2344523 A CA2344523 A CA 2344523A CA 2344523 C CA2344523 C CA 2344523C
- Authority
- CA
- Canada
- Prior art keywords
- channel
- matrix
- synthesis
- filter block
- denotes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 91
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 67
- 238000012546 transfer Methods 0.000 claims abstract description 45
- 230000006870 function Effects 0.000 claims description 43
- 239000011159 matrix material Substances 0.000 claims description 33
- 239000013598 vector Substances 0.000 claims description 32
- 238000000034 method Methods 0.000 claims description 30
- 230000005284 excitation Effects 0.000 claims description 24
- 230000007774 longterm Effects 0.000 claims description 18
- 230000003044 adaptive effect Effects 0.000 claims description 16
- 230000009466 transformation Effects 0.000 claims description 12
- 238000000844 transformation Methods 0.000 claims description 3
- 108091006146 Channels Proteins 0.000 claims 13
- SGPGESCZOCHFCL-UHFFFAOYSA-N Tilisolol hydrochloride Chemical compound [Cl-].C1=CC=C2C(=O)N(C)C=C(OCC(O)C[NH2+]C(C)(C)C)C2=C1 SGPGESCZOCHFCL-UHFFFAOYSA-N 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 34
- 238000012986 modification Methods 0.000 description 26
- 230000004048 modification Effects 0.000 description 26
- 230000000875 corresponding effect Effects 0.000 description 11
- 230000014509 gene expression Effects 0.000 description 6
- 230000002596 correlated effect Effects 0.000 description 3
- 230000001934 delay Effects 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 3
- 230000005236 sound signal Effects 0.000 description 3
- FHKPLLOSJHHKNU-INIZCTEOSA-N [(3S)-3-[8-(1-ethyl-5-methylpyrazol-4-yl)-9-methylpurin-6-yl]oxypyrrolidin-1-yl]-(oxan-4-yl)methanone Chemical compound C(C)N1N=CC(=C1C)C=1N(C2=NC=NC(=C2N=1)O[C@@H]1CN(CC1)C(=O)C1CCOCC1)C FHKPLLOSJHHKNU-INIZCTEOSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 2
- 238000013144 data compression Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 101100510615 Caenorhabditis elegans lag-2 gene Proteins 0.000 description 1
- 101150017238 Magt1 gene Proteins 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/16—Vocoder architecture
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Mathematical Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9803321A SE519552C2 (sv) | 1998-09-30 | 1998-09-30 | Flerkanalig signalkodning och -avkodning |
| SE9803321-0 | 1998-09-30 | ||
| PCT/SE1999/001610 WO2000019413A1 (en) | 1998-09-30 | 1999-09-15 | Multi-channel signal encoding and decoding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2344523A1 CA2344523A1 (en) | 2000-04-06 |
| CA2344523C true CA2344523C (en) | 2009-12-01 |
Family
ID=20412777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002344523A Expired - Lifetime CA2344523C (en) | 1998-09-30 | 1999-09-15 | Multi-channel signal encoding and decoding |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US6393392B1 (ko) |
| EP (1) | EP1116223B1 (ko) |
| JP (1) | JP4743963B2 (ko) |
| KR (1) | KR100415356B1 (ko) |
| CN (1) | CN1132154C (ko) |
| AU (1) | AU756829B2 (ko) |
| CA (1) | CA2344523C (ko) |
| DE (1) | DE69940068D1 (ko) |
| SE (1) | SE519552C2 (ko) |
| WO (1) | WO2000019413A1 (ko) |
Families Citing this family (47)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE519976C2 (sv) * | 2000-09-15 | 2003-05-06 | Ericsson Telefon Ab L M | Kodning och avkodning av signaler från flera kanaler |
| SE519985C2 (sv) * | 2000-09-15 | 2003-05-06 | Ericsson Telefon Ab L M | Kodning och avkodning av signaler från flera kanaler |
| SE519981C2 (sv) | 2000-09-15 | 2003-05-06 | Ericsson Telefon Ab L M | Kodning och avkodning av signaler från flera kanaler |
| EP1235203B1 (en) * | 2001-02-27 | 2009-08-12 | Texas Instruments Incorporated | Method for concealing erased speech frames and decoder therefor |
| SE0202159D0 (sv) * | 2001-07-10 | 2002-07-09 | Coding Technologies Sweden Ab | Efficientand scalable parametric stereo coding for low bitrate applications |
| US7240001B2 (en) | 2001-12-14 | 2007-07-03 | Microsoft Corporation | Quality improvement techniques in an audio encoder |
| US6934677B2 (en) | 2001-12-14 | 2005-08-23 | Microsoft Corporation | Quantization matrices based on critical band pattern information for digital audio wherein quantization bands differ from critical bands |
| US7502743B2 (en) | 2002-09-04 | 2009-03-10 | Microsoft Corporation | Multi-channel audio encoding and decoding with multi-channel transform selection |
| JP4676140B2 (ja) | 2002-09-04 | 2011-04-27 | マイクロソフト コーポレーション | オーディオの量子化および逆量子化 |
| US7299190B2 (en) | 2002-09-04 | 2007-11-20 | Microsoft Corporation | Quantization and inverse quantization for audio |
| JP2005202248A (ja) * | 2004-01-16 | 2005-07-28 | Fujitsu Ltd | オーディオ符号化装置およびオーディオ符号化装置のフレーム領域割り当て回路 |
| US7460990B2 (en) | 2004-01-23 | 2008-12-02 | Microsoft Corporation | Efficient coding of digital media spectral data using wide-sense perceptual similarity |
| EP1564650A1 (en) * | 2004-02-17 | 2005-08-17 | Deutsche Thomson-Brandt Gmbh | Method and apparatus for transforming a digital audio signal and for inversely transforming a transformed digital audio signal |
| CA2566366C (en) | 2004-05-19 | 2013-08-06 | Matsushita Electric Industrial Co. Ltd. | Audio signal encoder and audio signal decoder |
| DE602005011439D1 (de) * | 2004-06-21 | 2009-01-15 | Koninkl Philips Electronics Nv | Verfahren und vorrichtung zum kodieren und dekodieren von mehrkanaltonsignalen |
| US7475011B2 (en) * | 2004-08-25 | 2009-01-06 | Microsoft Corporation | Greedy algorithm for identifying values for vocal tract resonance vectors |
| WO2006035705A1 (ja) * | 2004-09-28 | 2006-04-06 | Matsushita Electric Industrial Co., Ltd. | スケーラブル符号化装置およびスケーラブル符号化方法 |
| CN101031960A (zh) * | 2004-09-30 | 2007-09-05 | 松下电器产业株式会社 | 可扩展性编码装置和可扩展性解码装置及其方法 |
| EP1847022B1 (en) * | 2005-01-11 | 2010-09-01 | Agency for Science, Technology and Research | Encoder, decoder, method for encoding/decoding, computer readable media and computer program elements |
| CN101116137B (zh) * | 2005-02-10 | 2011-02-09 | 松下电器产业株式会社 | 语音编码中的脉冲分配方法 |
| EP1691348A1 (en) * | 2005-02-14 | 2006-08-16 | Ecole Polytechnique Federale De Lausanne | Parametric joint-coding of audio sources |
| ATE521143T1 (de) * | 2005-02-23 | 2011-09-15 | Ericsson Telefon Ab L M | Adaptive bitzuweisung für die mehrkanal- audiokodierung |
| US8000967B2 (en) * | 2005-03-09 | 2011-08-16 | Telefonaktiebolaget Lm Ericsson (Publ) | Low-complexity code excited linear prediction encoding |
| JP4850827B2 (ja) * | 2005-04-28 | 2012-01-11 | パナソニック株式会社 | 音声符号化装置および音声符号化方法 |
| JP4907522B2 (ja) * | 2005-04-28 | 2012-03-28 | パナソニック株式会社 | 音声符号化装置および音声符号化方法 |
| US7562021B2 (en) | 2005-07-15 | 2009-07-14 | Microsoft Corporation | Modification of codewords in dictionary used for efficient coding of digital media spectral data |
| US7630882B2 (en) * | 2005-07-15 | 2009-12-08 | Microsoft Corporation | Frequency segmentation to obtain bands for efficient coding of digital media |
| US8190425B2 (en) * | 2006-01-20 | 2012-05-29 | Microsoft Corporation | Complex cross-correlation parameters for multi-channel audio |
| US7831434B2 (en) * | 2006-01-20 | 2010-11-09 | Microsoft Corporation | Complex-transform channel coding with extended-band frequency coding |
| US7953604B2 (en) * | 2006-01-20 | 2011-05-31 | Microsoft Corporation | Shape and scale parameters for extended-band frequency coding |
| FR2901433A1 (fr) * | 2006-05-19 | 2007-11-23 | France Telecom | Conversion entre representations en domaines de sous-bandes pour des bancs de filtres variant dans le temps |
| US7797155B2 (en) * | 2006-07-26 | 2010-09-14 | Ittiam Systems (P) Ltd. | System and method for measurement of perceivable quantization noise in perceptual audio coders |
| JP5355387B2 (ja) | 2007-03-30 | 2013-11-27 | パナソニック株式会社 | 符号化装置および符号化方法 |
| JPWO2008132826A1 (ja) * | 2007-04-20 | 2010-07-22 | パナソニック株式会社 | ステレオ音声符号化装置およびステレオ音声符号化方法 |
| WO2008132850A1 (ja) * | 2007-04-25 | 2008-11-06 | Panasonic Corporation | ステレオ音声符号化装置、ステレオ音声復号装置、およびこれらの方法 |
| US7761290B2 (en) | 2007-06-15 | 2010-07-20 | Microsoft Corporation | Flexible frequency and time partitioning in perceptual transform coding of audio |
| US8046214B2 (en) * | 2007-06-22 | 2011-10-25 | Microsoft Corporation | Low complexity decoder for complex transform coding of multi-channel sound |
| US7885819B2 (en) * | 2007-06-29 | 2011-02-08 | Microsoft Corporation | Bitstream syntax for multi-process audio decoding |
| US8249883B2 (en) * | 2007-10-26 | 2012-08-21 | Microsoft Corporation | Channel extension coding for multi-channel source |
| WO2009057327A1 (ja) * | 2007-10-31 | 2009-05-07 | Panasonic Corporation | 符号化装置および復号装置 |
| KR101086304B1 (ko) * | 2009-11-30 | 2011-11-23 | 한국과학기술연구원 | 로봇 플랫폼에 의해 발생한 반사파 제거 신호처리 장치 및 방법 |
| WO2011072729A1 (en) * | 2009-12-16 | 2011-06-23 | Nokia Corporation | Multi-channel audio processing |
| TWI671734B (zh) | 2013-09-12 | 2019-09-11 | 瑞典商杜比國際公司 | 在包含三個音訊聲道的多聲道音訊系統中之解碼方法、編碼方法、解碼裝置及編碼裝置、包含用於執行解碼方法及編碼方法的指令之非暫態電腦可讀取的媒體之電腦程式產品、包含解碼裝置及編碼裝置的音訊系統 |
| CA2997334A1 (en) * | 2015-09-25 | 2017-03-30 | Voiceage Corporation | Method and system for encoding left and right channels of a stereo sound signal selecting between two and four sub-frames models depending on the bit budget |
| CN109427338B (zh) * | 2017-08-23 | 2021-03-30 | 华为技术有限公司 | 立体声信号的编码方法和编码装置 |
| CN110660400B (zh) * | 2018-06-29 | 2022-07-12 | 华为技术有限公司 | 立体声信号的编码、解码方法、编码装置和解码装置 |
| CN112352277B (zh) * | 2018-07-03 | 2024-05-31 | 松下电器（美国）知识产权公司 | 编码装置及编码方法 |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1165641B (it) * | 1979-03-15 | 1987-04-22 | Cselt Centro Studi Lab Telecom | Sintetizzatore numerico multicanale della voce |
| US4636799A (en) | 1985-05-03 | 1987-01-13 | United Technologies Corporation | Poled domain beam scanner |
| US4706094A (en) | 1985-05-03 | 1987-11-10 | United Technologies Corporation | Electro-optic beam scanner |
| GB2211965B (en) * | 1987-10-31 | 1992-05-06 | Rolls Royce Plc | Data processing systems |
| GB8913758D0 (en) * | 1989-06-15 | 1989-08-02 | British Telecomm | Polyphonic coding |
| JP3112462B2 (ja) * | 1989-10-17 | 2000-11-27 | 株式会社東芝 | 音声符号化装置 |
| DE69025188T2 (de) * | 1990-11-05 | 1996-11-07 | Philips Electronics Nv | Digitales Übertragungssystem, Gerät zur Aufnahme und/oder Wiedergabe und Sender sowie Empfänger zur Anwendung im Übertragungssystem |
| US5208786A (en) * | 1991-08-28 | 1993-05-04 | Massachusetts Institute Of Technology | Multi-channel signal separation |
| WO1993010571A1 (en) | 1991-11-14 | 1993-05-27 | United Technologies Corporation | Ferroelectric-scanned phased array antenna |
| JPH0677840A (ja) * | 1992-08-28 | 1994-03-18 | Fujitsu Ltd | ベクトル量子化装置 |
| DE4320990B4 (de) * | 1993-06-05 | 2004-04-29 | Robert Bosch Gmbh | Verfahren zur Redundanzreduktion |
| TW272341B (ko) * | 1993-07-16 | 1996-03-11 | Sony Co Ltd | |
| JP3528260B2 (ja) * | 1993-10-26 | 2004-05-17 | ソニー株式会社 | 符号化装置及び方法、並びに復号化装置及び方法 |
| US5488665A (en) * | 1993-11-23 | 1996-01-30 | At&T Corp. | Multi-channel perceptual audio compression system with encoding mode switching among matrixed channels |
| JP3435674B2 (ja) * | 1994-05-06 | 2003-08-11 | 日本電信電話株式会社 | 信号の符号化方法と復号方法及びそれを使った符号器及び復号器 |
| DE19526366A1 (de) * | 1995-07-20 | 1997-01-23 | Bosch Gmbh Robert | Verfahren zur Redundanzreduktion bei der Codierung von mehrkanaligen Signalen und Vorrichtung zur Dekodierung von redundanzreduzierten, mehrkanaligen Signalen |
| US6307962B1 (en) * | 1995-09-01 | 2001-10-23 | The University Of Rochester | Document data compression system which automatically segments documents and generates compressed smart documents therefrom |
| US5812971A (en) | 1996-03-22 | 1998-09-22 | Lucent Technologies Inc. | Enhanced joint stereo coding method using temporal envelope shaping |
| US5924062A (en) * | 1997-07-01 | 1999-07-13 | Nokia Mobile Phones | ACLEP codec with modified autocorrelation matrix storage and search |
-
1998
- 1998-09-30 SE SE9803321A patent/SE519552C2/sv not_active IP Right Cessation
-
1999
- 1999-09-15 KR KR10-2001-7004041A patent/KR100415356B1/ko active IP Right Grant
- 1999-09-15 CA CA002344523A patent/CA2344523C/en not_active Expired - Lifetime
- 1999-09-15 AU AU11921/00A patent/AU756829B2/en not_active Expired
- 1999-09-15 JP JP2000572833A patent/JP4743963B2/ja not_active Expired - Lifetime
- 1999-09-15 EP EP99969816A patent/EP1116223B1/en not_active Expired - Lifetime
- 1999-09-15 DE DE69940068T patent/DE69940068D1/de not_active Expired - Lifetime
- 1999-09-15 CN CN998115908A patent/CN1132154C/zh not_active Expired - Lifetime
- 1999-09-15 WO PCT/SE1999/001610 patent/WO2000019413A1/en active IP Right Grant
- 1999-09-28 US US09/407,599 patent/US6393392B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| AU756829B2 (en) | 2003-01-23 |
| AU1192100A (en) | 2000-04-17 |
| SE9803321L (sv) | 2000-03-31 |
| US6393392B1 (en) | 2002-05-21 |
| SE9803321D0 (sv) | 1998-09-30 |
| EP1116223A1 (en) | 2001-07-18 |
| DE69940068D1 (de) | 2009-01-22 |
| KR20010099659A (ko) | 2001-11-09 |
| CN1132154C (zh) | 2003-12-24 |
| WO2000019413A1 (en) | 2000-04-06 |
| JP2002526798A (ja) | 2002-08-20 |
| CA2344523A1 (en) | 2000-04-06 |
| JP4743963B2 (ja) | 2011-08-10 |
| EP1116223B1 (en) | 2008-12-10 |
| KR100415356B1 (ko) | 2004-01-16 |
| SE519552C2 (sv) | 2003-03-11 |
| CN1320258A (zh) | 2001-10-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |